Home / 13,826.63-19,080.56-7,539.01

Finding the Fourth Proportional to 13,826.63, 19,080.56 and 7,539.01

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Solution

The fourth proportional to 13,826.63, 19,080.56 and 7,539.01 is: 10,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.63 : 19,080.56 = 7,539.01 : x
  2. Step 2: Convert to fraction form
    13,826.63/19,080.56 = 7,539.01/x
  3. Step 3: Cross multiply
    13,826.63x = 19,080.56 × 7,539.01
  4. Step 4: Simplify right side
    13,826.63x = 143,848,503.79
  5. Step 5: Solve for x
    x = 143,848,503.79/13,826.63
  6. Step 6: Final answer
    x = 10,403.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.